Fort Lauderdale Fire Rescue crews are investigating a potential hazardous materials situation at a business in downtown Fort Lauderdale. An employee at the business, located at 201 East Las Olas Blvd., reported discovering a possible hazardous substance around 9:15 a.m. on Wednesday, prompting a response from hazmat crews, FLFR said. The business’s employees have been quarantined to their suite while hazmat teams assess the scene. Authorities have yet to determine if the substance poses a threat. Motorists are advised to expect delays in the area as the investigation continues. Please check back on WSVN.com and 7News for more details on this developing story.